National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

48°F

9°C

Humidity 89%
Wind Speed SE 7 mph
Barometer 30.27 in (1025.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 24 May 2:53 am EDT
Extended Forecast for

2 Miles ENE Williamsburg PA

  • Overnight

    Overnight: Showers likely, mainly before 5am. Cloudy, with a low around 48. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog between 8am and noon. Otherwise, cloudy, with a high near 64. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers and
    Patchy Fog
    then Cloudy

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 2am, then showers likely. Patchy fog between 3am and 4am. Low around 60. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers and
    Patchy Fog

  • Memorial Day

    Memorial Day: A chance of showers, mainly before 8am. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 78. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly before 5am. Cloudy, with a low around 48. Light east wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 11am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog between 8am and noon. Otherwise, cloudy, with a high near 64. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms before 2am, then showers likely. Patchy fog between 3am and 4am. Low around 60. Light southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Memorial Day
A chance of showers, mainly before 8am. Patchy fog between 7am and 10am. Otherwise, mostly cloudy, with a high near 78. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of showers after 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
A chance of showers after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Williamsburg PA
 40.47°N 78.18°W (Elev. 1053 ft)
Last Update:
2:21 am EDT May 24, 2026
Forecast Valid:
3am EDT May 24, 2026-6pm EDT May 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation